• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Recent content by WhizAly

  1. W

    Paper 1-Resource Thread &more

    Found a lot of people asking about 1993 papers and answers so I thought I'd compile them all to one thread with answers and even doubts. Even though people aren't thankful here but anyways I' decided to be kind :) This thread contains: Paper 1 Chemistry Papers/Answers Paper 1 Biology...
  2. W

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    It differs according to the reagent if excess acid was used the volumes will be the same..If excess solid is used,the volumes will differ..probably :P
  3. W

    Paper 1 bio 1996 onwards!!

    Although you might say the syllabus has changed and so on,but they are still useful and some question are repeated from old ones.
  4. W

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Anytime :)
  5. W

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Well coz you don't reply or say Thank You at least.. Anyways, You should know that barium sulfate is insoluble,and silver chloride is also insoluble. Insoluble salts don't split up into ions. Since the solution contains Silver and Barium ions,the only soluble salts possible are silver nitrate...
  6. W

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Did you get the previous one yet or no ?
  7. W

    Any1 with 1990 onwards answers !!!!!!!!!!!!

    Can you just stop posting many useless threads ? Seriously,no offence,but it has been posted many times. I'll make a thread soon--I have from 93-onwards do you need them or wat ?
  8. W

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Okay so dry air was added to copper..The dry air is 100 Only the oxygen reacts,so the percentage reacted is 20-21 approximately At the end the volume of air left is 130 cm3 This 130 cm3 forms about 79-80 (air-oxygen) So 130----->79 ? ------>100 Then the 100 will equal 151 cm3 which...
  9. W

    ANSWERING ALL BIO/CHEM PAPER 1 DOUBTS :)

    Year ?
  10. W

    Paper 1 bio 1996 onwards!!

    Here you go
  11. W

    -- POST UR P1 BIO/CHEM HERE --

    Well,I'll help you here..Is it okay ?
  12. W

    -- POST UR P1 BIO/CHEM HERE --

    One thread is enough !What's the point of having 3 threads? Shall i post mine too :P
  13. W

    Chemistry P31

    Bromine atoms valency 1 as it needs to gain an electron to complete its outermost shell Hydrogen has a valency of 1 as it tends to lose an electron when it combines with other elements.
  14. W

    Chemistry P31

    Actually,there were lots of equations including ionic equations with state symbols and many metal reactions,the decomposition ones.
  15. W

    Paper 1 bio 1996 onwards!!

    http://www.xtremepapers.com/community/attachments/file-pdf.11634/
See more
Top